| Company | Labor Organization | Date | Results C=company, U=union |
| Ancon Marine | Teamsters Local 848 | 06/15/07 | 21C / 5 U |
| ISI Industries | Int'l Assoc. of Heat and Frost Insulators, Local 22 | 04/12/07 | 536 C / 124 U |
| Ernest Paper Inc. | Teamsters Local 848 | 07/07/06 | Withdrawal |
| Monterey Bay Bouquet | United Farm Workers | 05/05/06 | Withdrawal |
| Pacific Clinics | Service Employees International Union | 02/07/06 | Withdrawal |
| Sole Technology, Inc. | General Truck Drivers, Office, Food & Warehouse, Teamsters Local 952 | 12/02/05 | Withdrawal |
| Dart Container Corporation | Assoc. of Western Pulp & Paper Workers, Local 214 | 12/01/05 | 423 C / 184 U |
| Pain D'Avignon Bakery | Bakery, Confectionary, Tobacco Workers & Grain Millers, Local 3 | 07/25/05 | Withdrawal |
| National Custom Packaging | United Food & Commercial Workers, Local 1096 | 06/14/05 | Withdrawal |
| WPT Enterprises, Inc. | International Alliance of Theater & Stage Employees | 03/31/05 | 4 C / 11 U |
| San Antonio Orchard | United Food & Commercial Workers, Local 1096 | 01/31/05 | Withdrawal |
| Ernest Paper | Teamsters, Local 578 | 09/15/04 | 12 C / 9 U |
| New Haven Register | Laborers' Union, Local 455 | 09/02/04 | 66 C / 24 U |
| New Haven Register | Laborers' Union, Local 455 | 09/02/04 | 14 C / 12 U |
| Amazing Glazed | Teamsters Local 485 | 08/27/04 | 6 C / 2 U |
| DSC Logistics | Teamsters Local 781 | 05/28/04 | 70 C / 20 U |
| Krispy Kreme | Teamsters Local 769 | 03/26/04 | 13 C / 7 U |
| Amazing Glazed | Teamsters Local 485 | 01/13/04 | Withdrawal |
| Ascent Media | NABET/CWA | 01/08/04 | 29 C / 16 U |
| Krispy Kreme | Teamster Local 769 | 08/11/03 | Withdrawal |
| Sonoma-Cutrer | United Farm Workers | 07/31/03 | 77 C / 31 U |
| Company | Labor Organization | Date | Results C=company, U=union |
| Eldorado Stone | International Longshore & Warehouse Local 19 | 05/30/03 | 43 C / 35 U |
| Dynacast, Inc. | Sheet Metal Workers International, Local 105 | 05/02/03 | 81 C / 33 U |
| Parsec, Inc. | Teamsters Local 986 | 04/03/03 | 18 C / 10 U |
| Contra Costa Newspapers | Teamsters Local 310 | 03/07/03 | 23 C / 18 U |
| Ascent Media | NABET/CWA Local 53 | 01/29/03 | 24 C / 10 U |
| DSC Logistics | Teamsters Local 781 | 01/20/03 | Withdrawal |
| Ascent Media | IATSE Local 700 | 12/11/02 | 56 C / 35 U |
| American Tire Dist. | Teamsters Local 578 | 09/03/02 | Withdrawal |
| Agrow Fresh | Teamsters Local 777 | 08/13/02 | Card Signing Stopped |
| Bambardier Transportaion Co. | Elevator Constructors Union, Local # 8 | 07/19/02 | 24 C / 18 U |
| BFI | Operating Engineers Union, Local # 3 | 07/09/02 | 3 C / 7 U |
| Klondyke, Inc. | I.B.E.W., Local 769 | 04/25/02 | 11 C / 2 U |
| Liberty Livewire | NABET, Local 700 | 04/15/02 | Withdrawal |
| Penny Saver | Retail Warehouse & Department Store Workers | 02/21/02 | Withdrawal |
| Glen Ivy Hot Springs SPA | Laborer's Union, Local 1184 | 11/30/01 | 67 C / 47 U |
| Giuliano's Bakery | Teamsters Local 495 | 11/02/01 | Withdrawal |
| St. Hart Container | Teamsters Local 578 | 09/20/01 | 51 C / 46 U |
| Simpson Strong-Tie | Sheet Metal Workers, Local 162 | 05/02/01 | 7 C / 6 U |
| Chemoil Corporation | International Longshoremen's, Local 26 | 03/26/01 | Withdrawal |
| Company | Labor Organization | Date | Results C=company, U=union |
| Custom Alloy Metal | Sheet Metal Workers International, Local 170 | 02/09/01 | 61 C / 36 U |
| Penny Saver | Retail Warehouse & Department Store Workers | 01/17/01 | 51 C / 20 U |
| Plymouth Tube Co. | Teamsters Local 355 | 01/10/01 | Withdrawal |
| Alliance Rehabilitation Center | Service Employees International Union, Local 399 | 11/20/00 | Withdrawal |
| Boskovich Farms | United Food & Commercial Workers | 11/09/00 | 19 C / 3 U |
| Kensington Home | Service Employees International Union, Local 399 | 10/06/00 | Card Signing Stopped |
| Bodega Latina Corporation | United Food & Commercial Workers | 08/18/00 | Card Signing Stopped |
| Hollenbeck Home | Service Employees International Union, Local 399 | 07/07/00 | Card Signing Stopped |
| B & D Inc. | United Brotherhood of Carpenters, Local 25 | 07/21/00 | 52 C / 3 U |
| Automated Molding Corp. | Glass Molder, Pottery, Plastics & Allied Workers | 06/06/00 | Card Signing Stopped |
| Oxnard Lemon Co. | Union of Packing House Workers, Local 550 & UFCW Local 1036 | 05/14/00 | 95 C / 23 U |
| Life Fitness | Plastic Workers Union, Local 18 | 03/30/00 | 124 C / 34 U |
| DSA Community Publishing | Graphic Communications Union | 03/02/00 | 92 C / 45 U |
| Eli's Bread Inc. | UFCW | 11/04/99 | 51 C / 29 U |
| Smithfield Packing Co. | UFCW, Local 204 | 07/09/99 | 152 C / 108 U |
| Press-Enterprise | G.C.I.U., Local 404 | 04/05/99 | Withdrawal |
| Del West Engineering, Inc. | I.A.M., Lodge 94 | 03/11/99 | 76 C / 31 U |
| Fresno Bee | Communication Workers of America | 10/23/98 | 39 C / 28 U |
| Plymouth Tube Co. | United Auto Workers | 10/15/98 | Withdrawal |
| Company | Labor Organization | Date | Results C=company, U=union |
| Fresno Bee | Graphic Communications Workers | 07/16/98 | 17 C / 18 U |
| Fresno Bee | Teamster | 07/16/98 | 54 C / 48 U |
| DSC Logistics (Grand Prairie) | Retail, Wholesale & Department Store Union, Local 587 | 04/24/98 | 51 C / 36 U |
| Custom Metals | Sheet Metal Workers International, Local 170 | 03/05/98 | 64 C / 15 U |
| DSC Logistics (Montgomery) | Teamsters | 12/12/97 | 124 C / 48 U |
| Bridgestone Firestone | Unite | 12/15/97 | 145 C / 75 U |
| Stardust Transportation | Teamster | 12/12/97 | 38 C / 4 U |
| L & L Nursery | United Food & Commercial Workers | 12/05/97 | 60 C / 20 U |
| The News Tribune | Communication Workers of America | 11/07/97 | 314 C / 88 U |
| Smithfield Foods | United Food & Commercial Workers | 08/22/97 | 1921 C / 1100 U |
| Tom Cat Bakery | Bakery & Confectionery Workers | 08/22/97 | 12 C / 2 U |
| WorldCom | I.B.E.W., Local 2 | 08/22/97 | Withdrawal |
| Webber Distribution | Teamsters Union | 05/15/97 | 62 C / 18 U |
| DSC Logistics (Charlotte) | Teamsters, Local 71 | 05/28/97 | 14 C / 14 U |
| L & L Nursery | United Food & Commercial Workers | 05/14/97 | 72 C / 28 U |
| Premium Standard Foods | Teamsters, Local 76 | 04/10/97 | 378 C / 136 U |
| Ashbury Park Press | Graphic Communications Workers | 02/21/97 | 96 C / 52 U |
| Ashbury Park Press | Newspaper & Mailers Delivery Union | 02/21/97 | 105 C / 62 U |
| Ashbury Park Press | Communication Workers of America | 02/22/97 | 89 C / 45 U |
| Company | Labor Organization | Date | Results C=company, U=union |
| St. Hart Container | Teamsters, Local 63 | 08/15/96 | Withdrawal |
| Tom Cat Bakery | Bakery & Confectionery Workers | 05/16/96 | 21 C / 18 U |
| Sun Pacific Shippers | Teamsters, Local 92 | 04/08/96 | Withdrawal |
| Press-Enterprise | Teamsters, Local 63 | 05/31/95 | Withdrawal |
| Nelson Ball Paper Products | Graphic Communications Workers | 03/17/95 | 20 C / 5 U |
| DSC Logistics (Tracy) | Industrial Workers International Union | 03/02/95 | Withdrawal |
| Sky Chefs, Inc. | Hotel Employees Restaurant Employees | 01/12/95 | Withdrawal |
| Sonoco Products Company | Millwright Workers, Local 102 | 01/06/95 | 33 C / 0 U |
| Carolina Food Processors | United Food & Commercial Workers | 08/25/94 | 704 C / 587 U |
| Tetrafluor Corporation | Teamsters, Local 972 | 03/24/93 | 117 C / 14 U |
| Dave Transportation | Teamsters, Local 572 | 12/15/93 | Broke Strike |
| Jewish Home for the Aged | Service Employees International Union, Local 399 | 09/21/93 | 186 C / 142 U |
| Los Angeles Times | Graphic Communications Workers, Local 10N | 08/05/93 | 353 C / 143 U |
| Zakaroff Recycling | Teamsters, Local 396 | 07/23/93 | 30 C / 25 U |
| Dole Corporation | United Food & Commercial Workers | 05/21/93 | 47 C / 24 U |
| Sun Pacific Packers | Laborers International Workers Union | 12/18/93 | 145 C / 50 U |
| Checks In The Mail | Teamsters, Local 848 | 11/12/92 | 125 C / 7 U |
| Jesse Lord | Bakery & Confectionery Workers, Local 31 | 09/17/92 | 135 C / 59 U |
| Grimway Farms | Teamsters, Local 192 | 05/08/92 | 402 C / 186 U |
| Company | Labor Organization | Date | Results C=company, U=union |
| Los Angeles Times | Teamsters, Local 986 | 02/21/92 | 217 C / 65 U |
| Antelope Transportation | Teamsters, Local 592 | 01/12/92 | 21 C / 2 U |